Location.h

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/*
Copyright 2003 - 2005 Elliott Kleinrock, Dan Neely, Kurt W. Over, Damon Domjan

This file is part of FreeStars, a free clone of the Stars! game.

FreeStars is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

FreeStars is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with FreeStars; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

The full GPL Copyright notice should be in the file COPYING.txt

Contact:
Email Elliott at 9jm0tjj02@sneakemail.com
*/

#if !defined(Location_h)
#define Location_h

class Location {
public:
        Location(const Location &source) : posX(source.posX), posY(source.posY) {}
//      Location(long x, long y) : posX(x), posY(y) {}
        Location() : posX(0), posY(0) {}

        virtual ~Location();
        virtual bool ParseNode(const TiXmlNode * node);
        virtual TiXmlNode * WriteNode(TiXmlNode * node) const   { return WriteLocation(node); }
        TiXmlNode * WriteLocation(TiXmlNode * node) const;
        virtual const string GetName(const Player *) const      { string s; return s; }

        void SetLocation(const Location & loc)  { posX = loc.posX; posY = loc.posY; }
        void SetLocation(long px, long py)              { posX = px; posY = py; }
        long GetPosX() const            { return posX; }
        long GetPosY() const            { return posY; }
        void SetPosX(long x)            { posX = x; }
        void SetPosY(long y)            { posY = y; }
        double Distance(const Location & other) const;
        double Distance(double px, double py) const;
        bool IsWith(const Location & other) const       { return posX == other.posX && posY == other.posY; }
        bool IsWith(long x, long y) const                       { return posX == x && posY == y; }
        virtual long GetID() const              { return 0; }
        virtual long SeenBy(const Player *) const       { return true; }
        virtual long SeenBy(unsigned long) const        { return true; }

        static void MoveToward(const Location &start, const Location & dest, double * px, double * py, long distance);

        friend bool operator ==(const Location &a, const Location &b)   { return a.IsWith(b); }
        friend bool operator !=(const Location &a, const Location &b)   { return !(a == b); }

protected:
        long posX;
        long posY;
};

#endif // !defined(Location_h)

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